FULL PRESCRIBING INFORMATION: CONTENTS*
You can learn more about what to avoid in our guide to tadalafil interactions. Finally, tell a healthcare provider about any medical conditions you have before taking Cialis so they can determine whether it’s safe for you.
Description of Dose
You shouldn’t take Cialis 20 mg (or any dose of the drug) at all if you’re taking nitrates. The combo can cause your blood pressure to drop suddenly, resulting in dizziness, loss of consciousness, or even a heart attack or stroke. Nitrates can be found in medications like isosorbide dinitrate or isosorbide mononitrate, which are used to treat prevent angina caused by heart disease. Also, watch out for recreational drugs that contain nitrates, like “poppers.” You also shouldn’t take Cialis if you take medications called guanylate cyclase stimulators, such as riociguat, which treats pulmonary hypertension. If you’re taking alpha-blockers (like doxazosin, tamsulosin, or alfuzosin) — which mainly treat high blood pressure or BPH — or CYP3A4 inhibitors (like the antibiotic erythromycin and the antifungal medication ketoconazole), which treat a wide variety of conditions, you may be prescribed a low dose of Cialis—probably not the 20 mg kind. Heart problems like angina (chest pain caused by reduced blood flow to the heart), heart disease, or irregular heartbeats Heart problems like angina (chest pain caused by reduced blood flow to the heart), heart disease, or irregular heartbeats Cialis is available in a range of doses.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Cialis Generic | 2.5mg | 180 + 10 Pills | 154.86€ 147.49€ | |
| Cialis Original | 20mg | 34 + 2 Pills | 183.99€ 175.23€ | |
| Cialis Generic | 10mg | 60 + 6 Pills | 105.81€ 100.77€ | |
| Cialis Generic | 2.5mg | 10 Pills | 28.51€ 27.15€ | |
| Cialis Generic | 10mg | 20 Pills | 48.23€ 45.93€ | |
| Cialis Generic | 20mg | 120 + 8 Pills | 188.15€ 179.19€ | |
| Cialis Black | 80mg | 20 Pills | 71.83€ 68.41€ | |
| Cialis Generic | 20mg | 360 + 10 Pills | 427.34€ 406.99€ | |
| Cialis Soft Tabs | 20mg | 120 + 6 Pills | 248.64€ 236.80€ | |
| Cialis Soft Tabs | 20mg | 60 + 4 Pills | 159.37€ 151.78€ | |
| Cialis Super Active | 20mg | 10 Pills | 55.64€ 52.99€ | |
| Cialis Generic | 5mg | 30 + 4 Pills | 53.56€ 51.01€ | |
| Cialis Black | 80mg | 120 + 8 Pills | 264.77€ 252.16€ |
Here’s what they’re usually prescribed for: Cialis 2.5 mg: If you’re taking Cialis daily, you might be prescribed a 2.5 mg dose. If 2.5 mg isn’t effective and you don’t have any bothersome side effects, the dose may be increased to 5 mg. Cialis 2.5 mg: If you’re taking Cialis daily, you might be prescribed a 2.5 mg dose.
General Dose Information
Below, we’ll cover what Cialis 20 mg is used for, the benefits and side effects of this dose of Cialis, and how it compares to other strengths. Cialis is a brand name for tadalafil, a widely prescribed ED medication. Benign prostatic hyperplasia (BPH) or an enlarged prostate Benign prostatic hyperplasia (BPH) or an enlarged prostate Other forms of tadalafil are used to treat pulmonary arterial hypertension, a type of high blood pressure in the lungs, but Cialis is not prescribed for this condition. Cialis doses include 2.5 mg, 5 mg, 10 mg, and 20 mg. You can take Cialis on an as-needed basis and pop a pill before sex, or you can take a daily dose of Cialis so you’re always ready for action.
How long do you take Cialis?
If you’re taking it as needed, you’ll likely be prescribed 5 mg, 10 mg, or 20 mg. The 10 mg strength is the typical starting dose, and it can be adjusted up or down depending on efficacy and side effects. But you won’t be taking 20 mg of Cialis daily. The lower doses of 2.5 mg and 5 mg are the daily doses of Cialis. For ED — which is when you struggle to get or keep an erection — Cialis works by dilating the blood vessels in the penis, which leads to a firmer erection. Cialis 5mg: You may be prescribed a 5 mg daily dose of Cialis for BPH. If you have both BPH and ED (the two conditions are linked), you may also get a 5 mg daily dose of Cialis. Cialis 10 mg: For an as-needed ED treatment, you’ll most likely be prescribed a 10 mg dose of Cialis to get started. A healthcare provider may then increase your dose to 20 mg or decrease it to 5 mg depending on how you react to the medication and how well it works for you.
5.8 Hepatic Impairment
Cialis — 20 mg or otherwise — doesn’t just give you an erection, though. Some form of sexual stimulation is required to get hard. Cialis 20 mg may be a more effective treatment for ED than the 10 mg version. Clinical trials found that 68 to 77 percent of men taking 10 mg Cialis were able to have penetrative sex with their partner. Of those taking 20 mg Cialis, 76 to 85 percent were able to have penetrative sex.
Clinical monitoring
But not all research agrees — a smaller daily dose may be just as effective as the as-needed Cialis treatment. A systematic review and meta-analysis examined six randomized controlled trials involving more than 1,500 people and compared an as-needed tadalafil treatment to a once-a-day dose. The results showed that both treatments were about equally effective. While Cialis works similarly to Viagra®, Cialis lasts longer in your body. In fact, Cialis is known as the “weekend pill” for its long half-life. You’ll most likely only be prescribed Cialis 20 mg as an as-needed ED treatment if you’ve got on well with a 10 mg dose but found that it wasn’t working well enough for you.
- Some people may experience vision changes with Cialis 20mg.
- Seek immediate medical help if sudden vision loss occurs.
- Most side effects are mild and temporary.
There are upsides and downsides to each tadalafil dosage, whether you're taking 20 mg tadalafil or a lower dose. The benefits of Cialis daily include increased spontaneity and less planning around sex. But generic cialis 40 mg the downside is you’ll need to remember to take the medication every day, and you may experience more persistent side effects. Check out our guide to daily-use Cialis to learn more.
5.13 Counseling Patients About Sexually Transmitted Diseases
Allergic reactions to Cialis aren’t common but they’re possible. Swelling of the lips, tongue, or throat Swelling of the lips, tongue, or throat There’s also a risk of priapism or prolonged erections — we’re talking for several hours here. It may sound great if you’re suffering from ED, but prolonged erections can be painful and cause irreversible damage to the penis. If purchase cialis professional your erection lasts more than four hours, seek medical advice. You may be more likely to get prolonged, painful erections from Cialis if you have: Anatomic deformations in the penis (like Peyronie’s disease) Anatomic deformations in the penis (like Peyronie’s disease) There’s also a small risk of vision loss.
Dosage for ED and BPH
If you notice any vision loss in one or both eyes, stop taking Cialis and seek medical help. This could be a sign of non-arteritic anterior ischemic optic neuropathy (NAION), which is caused by a lack of blood flow to the optic nerve. Another serious side effect includes a sudden decrease in hearing or hearing loss. Again, get medical advice as soon as you notice this. There are also a few drug interactions you should know about. The benefit of a higher-dose as-needed treatment like Cialis 20 mg is you don’t have to take the medication every day, so you don’t have to worry about missed doses. But the higher your dose, the more likely it is you’ll experience side effects.
| Parameter | Value | Notes |
|---|---|---|
| Absorption Half-life | ~2 hours | Peak plasma concentration occurs in ~2 hours |
| Duration of Action | Up to 36 hours | Long-lasting effect |
| Metabolism | Liver (CYP3A4 enzyme) | Primarily processed in the liver |
| Excretion | Feces and urine | Mainly via feces |
A healthcare provider can recommend the best Cialis dosage for you.
- 20mg tadalafil is not for daily use
- Daily 5mg is approved for BPH and ED combination
- 20mg can be split for 10mg dose if scored
- Not all tablets are scored; check packaging
- Splitting may affect absorption rate
- Use a pill cutter for accurate halves
- Crushing or chewing may alter effectiveness
- Sublingual versions absorb faster through mouth
- Orally disintegrating tablets dissolve on tongue
- Do not swallow orally disintegrating tablets whole
- Follow specific instructions for each formulation
- Ask pharmacist for guidance on your type
FYI: You can’t buy Cialis over the counter.
Using Cialis 20 mg Daily: What You Should Know
If the side effects of Cialis 20 mg are too much, a healthcare provider may reduce your dose. If this is a particularly annoying side effect of other ED medications, switching to Cialis may be the answer. A 2017 systematic review and meta-analysis compared sildenafil (the generic of Viagra) and tadalafil. It found that tadalafil caused lower rates of flushing. Muscle aches and back pain were more common in tadalafil than sildenafil, though.
Generic version
Overall, tadalafil and sildenafil had similar efficacy and safety, but men and their partners preferred tadalafil. You can learn more about the two ED treatments in our Cialis vs. Viagra guide. As with any medication, Cialis comes with possible side effects. The most common Cialis side effects include: Clinical trials show that most side effects are dose-dependent, meaning you’re more likely to get them with higher doses — and remember, Cialis 20 mg is the highest dose of the drug. You’ll need to talk with a healthcare professional and get the ED medication prescribed (if you’re deemed eligible for treatment).
- 20mg Cialis is a common dose for erectile dysfunction treatment.
- It typically starts working within 30-60 minutes.
- The effects can last up to 36 hours.
Remember that brand-name Cialis will typically cost more than tadalafil, even though the medications are the same. As tempting as they can be, steer clear of non-prescription Cialis substitutes. They’re not approved by the FDA, and some fake PDE5 inhibitors have been found to contain contaminants.
Did you find this helpful?
It’s unclear whether it’s safe to take Cialis 20 mg or any dose of the drug with other PDE5 inhibitors, such as: Tell your prescribing healthcare provider about the medications or supplements you’re taking before trying Cialis. Beyond medications, watch out for how much you drink when you’re taking Cialis. If you have five or more alcoholic drinks, you may experience: And a weird one to watch out for: grapefruit and Cialis. A 2020 study on rats found that grapefruit juice inhibits tadalafil metabolism — remember, that’s the active ingredient in Cialis. This can lead to you having more tadalafil in your system, which can increase your risk of side effects. They’ve also been found to contain anywhere from zero to more than 200 percent of the labeled dose of active ingredients, the latter of which could cause serious health problems.
17.7 Sudden Hearing Loss
Because you can pop one pill and have sex whenever you like over the next 36 hours (give or take a few hours), it offers more spontaneity. In comparison, avanafil only lasts up to six hours, and Viagra only lasts up to four hours. Clinical trials show that Cialis is effective for various severities and types of ED, including difficult-to-treat ED. If you find Cialis 10 mg isn’t working, a 20 mg tablet might do the trick. You don’t need to take it every day.
What should I know about tadalafil before using it?
Depending on your preference and lifestyle, you may not want to take Cialis day cialis tadalafil 10 mg in and day out. In fact, the 20 mg dose of Cialis should only be taken as needed. Side effects of Cialis are usually mild and should go away on their own — although they may be worse with higher doses. For example, in clinical trials, 11 percent of people taking tadalafil 10 mg got a headache, whereas 15 percent of those taking tadalafil 20 mg got a headache. Some side effects have the same likelihood in both doses, such as flushing and limb pain. Just one glance at the FDA’s database of tainted sexual enhancement products will show you that many contain hidden ingredients. If you’re taking Cialis 20 mg before sexual activity, take your prescribed dose at least 30 minutes to two hours before you plan on getting it on.
| Region | Average Price per Pill | Price Range | Notes |
|---|---|---|---|
| USA | $10 - $20 | $8 - $25 | Varies by pharmacy and insurance coverage |
| Europe | €8 - €18 | €7 - €22 | Often includes generic options |
| Asia | $2 - $8 | $1 - $10 | Cheaper due to local manufacturing |
| Australia | AUD 15 - AUD 30 | AUD 12 - AUD 35 | Higher due to import costs |
You don’t need to take Cialis with food. Only take Cialis once per day, max.
- Cialis 20mg is known by the generic name tadalafil.
- It works by relaxing blood vessels in the penis.
- The medication improves blood flow for erection support.
If you plan on having sex more than once — *fist bump* — Cialis has you covered.
